package com.feng.common.valid;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import java.util.HashSet;
import java.util.Set;

/**
 * Created by FengBin on 2021/3/23 20:27
 * 自定义校验器
 */
public class ListValueConstraintValidator implements ConstraintValidator<ListValue,Integer> {
    private Set<Integer> set = new HashSet<>();
    //初始化方法
    @Override
    public void initialize(ListValue constraintAnnotation) {
        int[] vals = constraintAnnotation.vals();
        for (int val : vals) {
            set.add(val);
        }
    }


    //判断是否校验成功?
    /*
    * value : 需要校验的值
    * */
    @Override
    public boolean isValid(Integer value, ConstraintValidatorContext context) {
        //即判断set中是佛包含value的值
        return set.contains(value);
    }
}
